GB1584672A - Flowmeter circuits - Google Patents
Flowmeter circuits Download PDFInfo
- Publication number
- GB1584672A GB1584672A GB33923/77A GB3392377A GB1584672A GB 1584672 A GB1584672 A GB 1584672A GB 33923/77 A GB33923/77 A GB 33923/77A GB 3392377 A GB3392377 A GB 3392377A GB 1584672 A GB1584672 A GB 1584672A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- circuit
- signals
- resistors
- resistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims 7
- 230000005540 biological transmission Effects 0.000 claims 5
- 239000003990 capacitor Substances 0.000 claims 5
- 230000035945 sensitivity Effects 0.000 claims 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010079 rubber tapping Methods 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/011—Velocity or travel time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/022—Liquids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2636737A DE2636737C2 (de) | 1976-08-14 | 1976-08-14 | Gerät zur Ultraschallmessung physikalischer Größen strömender Medien |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1584672A true GB1584672A (en) | 1981-02-18 |
Family
ID=5985508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33923/77A Expired GB1584672A (en) | 1976-08-14 | 1977-08-12 | Flowmeter circuits |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4114439A (nl) |
| JP (1) | JPS6048690B2 (nl) |
| CA (1) | CA1099383A (nl) |
| CH (1) | CH619540A5 (nl) |
| DE (1) | DE2636737C2 (nl) |
| DK (1) | DK143476C (nl) |
| FR (1) | FR2361659A2 (nl) |
| GB (1) | GB1584672A (nl) |
| IT (1) | IT1117068B (nl) |
| NL (1) | NL183547C (nl) |
| NO (1) | NO145636C (nl) |
| SE (1) | SE436153B (nl) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1602185A (en) * | 1977-06-03 | 1981-11-11 | Standard Telephones Cables Ltd | Measuring fluid flow |
| US4203322A (en) * | 1977-09-29 | 1980-05-20 | E. I. Du Pont De Nemours And Company | Apparatus for the ultrasonic measurement of the flow velocity of fluent media |
| US4208906A (en) * | 1978-05-08 | 1980-06-24 | Interstate Electronics Corp. | Mud gas ratio and mud flow velocity sensor |
| JPS61117322A (ja) * | 1984-11-13 | 1986-06-04 | Chubu Electric Power Co Inc | 補強くい |
| US4630482A (en) * | 1985-06-17 | 1986-12-23 | John Traina | Method and apparatus for ultrasonic measurements of a medium |
| US4911738A (en) * | 1989-03-21 | 1990-03-27 | The United States Of America As Represented By The United States National Aeronautics And Space Administration | Zero-g phase detector and separator |
| US5255564A (en) * | 1991-08-22 | 1993-10-26 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus for the discrimination of chemical liquids via sound speed measurements |
| JPH08122117A (ja) * | 1994-10-19 | 1996-05-17 | Matsushita Electric Ind Co Ltd | 流量計測装置 |
| EP1090274B1 (en) | 1998-06-26 | 2017-03-15 | Weatherford Technology Holdings, LLC | Fluid parameter measurement in pipes using acoustic pressures |
| US6463813B1 (en) | 1999-06-25 | 2002-10-15 | Weatherford/Lamb, Inc. | Displacement based pressure sensor measuring unsteady pressure in a pipe |
| US6691584B2 (en) | 1999-07-02 | 2004-02-17 | Weatherford/Lamb, Inc. | Flow rate measurement using unsteady pressures |
| US6536291B1 (en) | 1999-07-02 | 2003-03-25 | Weatherford/Lamb, Inc. | Optical flow rate measurement using unsteady pressures |
| US6601458B1 (en) | 2000-03-07 | 2003-08-05 | Weatherford/Lamb, Inc. | Distributed sound speed measurements for multiphase flow measurement |
| US6813962B2 (en) * | 2000-03-07 | 2004-11-09 | Weatherford/Lamb, Inc. | Distributed sound speed measurements for multiphase flow measurement |
| US6351987B1 (en) | 2000-04-13 | 2002-03-05 | Cidra Corporation | Fiber optic pressure sensor for DC pressure and temperature |
| US6782150B2 (en) | 2000-11-29 | 2004-08-24 | Weatherford/Lamb, Inc. | Apparatus for sensing fluid in a pipe |
| US6698297B2 (en) | 2002-06-28 | 2004-03-02 | Weatherford/Lamb, Inc. | Venturi augmented flow meter |
| US7059172B2 (en) * | 2001-11-07 | 2006-06-13 | Weatherford/Lamb, Inc. | Phase flow measurement in pipes using a density meter |
| US6971259B2 (en) * | 2001-11-07 | 2005-12-06 | Weatherford/Lamb, Inc. | Fluid density measurement in pipes using acoustic pressures |
| DE10163566A1 (de) * | 2001-12-21 | 2003-07-10 | Flowtec Ag | Pulsgenerator |
| US7181955B2 (en) * | 2002-08-08 | 2007-02-27 | Weatherford/Lamb, Inc. | Apparatus and method for measuring multi-Phase flows in pulp and paper industry applications |
| US6986276B2 (en) * | 2003-03-07 | 2006-01-17 | Weatherford/Lamb, Inc. | Deployable mandrel for downhole measurements |
| US6837098B2 (en) | 2003-03-19 | 2005-01-04 | Weatherford/Lamb, Inc. | Sand monitoring within wells using acoustic arrays |
| US20080264182A1 (en) * | 2003-08-22 | 2008-10-30 | Jones Richard T | Flow meter using sensitive differential pressure measurement |
| US6910388B2 (en) * | 2003-08-22 | 2005-06-28 | Weatherford/Lamb, Inc. | Flow meter using an expanded tube section and sensitive differential pressure measurement |
| US7109471B2 (en) * | 2004-06-04 | 2006-09-19 | Weatherford/Lamb, Inc. | Optical wavelength determination using multiple measurable features |
| US7480056B2 (en) * | 2004-06-04 | 2009-01-20 | Optoplan As | Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors |
| US7503217B2 (en) * | 2006-01-27 | 2009-03-17 | Weatherford/Lamb, Inc. | Sonar sand detection |
| DE102008043030A1 (de) * | 2008-10-22 | 2010-04-29 | BSH Bosch und Siemens Hausgeräte GmbH | Warmwasserspeicher und Verfahren zum Betreiben eines Warmwasserspeichers |
| US9383476B2 (en) | 2012-07-09 | 2016-07-05 | Weatherford Technology Holdings, Llc | In-well full-bore multiphase flowmeter for horizontal wellbores |
| DE102012111427A1 (de) * | 2012-11-26 | 2014-05-28 | Endress + Hauser Flowtec Ag | Feldgerät, insbesondere Ultraschall-Durchflussmessgerät |
| US9410422B2 (en) | 2013-09-13 | 2016-08-09 | Chevron U.S.A. Inc. | Alternative gauging system for production well testing and related methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2810519A (en) * | 1954-08-13 | 1957-10-22 | Melville C Creusere | Magnetic amplifier |
| US3247462A (en) * | 1963-08-19 | 1966-04-19 | Tektronix Inc | Balanced paraphase amplifier including a feed forward path |
| US3981191A (en) * | 1975-07-05 | 1976-09-21 | Danfoss A/S | Method and apparatus for the ultrasonic measurement of the flow velocity of fluent media |
-
1976
- 1976-08-14 DE DE2636737A patent/DE2636737C2/de not_active Expired
-
1977
- 1977-07-13 CH CH866877A patent/CH619540A5/de not_active IP Right Cessation
- 1977-07-20 NO NO772592A patent/NO145636C/no unknown
- 1977-08-05 FR FR7724227A patent/FR2361659A2/fr active Granted
- 1977-08-09 SE SE7709012A patent/SE436153B/xx unknown
- 1977-08-12 DK DK358777A patent/DK143476C/da active
- 1977-08-12 GB GB33923/77A patent/GB1584672A/en not_active Expired
- 1977-08-12 JP JP52096870A patent/JPS6048690B2/ja not_active Expired
- 1977-08-12 CA CA284,560A patent/CA1099383A/en not_active Expired
- 1977-08-12 NL NLAANVRAGE7708935,A patent/NL183547C/nl active
- 1977-08-12 IT IT68858/77A patent/IT1117068B/it active
- 1977-08-18 US US05/825,647 patent/US4114439A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE7709012L (sv) | 1978-02-15 |
| DE2636737B1 (de) | 1977-10-27 |
| CH619540A5 (nl) | 1980-09-30 |
| US4114439A (en) | 1978-09-19 |
| FR2361659B2 (nl) | 1982-11-26 |
| DK143476C (da) | 1981-12-21 |
| NO145636B (no) | 1982-01-18 |
| CA1099383A (en) | 1981-04-14 |
| NL183547C (nl) | 1988-11-16 |
| DE2636737C2 (de) | 1978-06-22 |
| IT1117068B (it) | 1986-02-10 |
| JPS5322767A (en) | 1978-03-02 |
| NO772592L (no) | 1978-02-15 |
| DK358777A (da) | 1978-02-15 |
| SE436153B (sv) | 1984-11-12 |
| NL7708935A (nl) | 1978-02-16 |
| NO145636C (no) | 1982-04-28 |
| JPS6048690B2 (ja) | 1985-10-29 |
| NL183547B (nl) | 1988-06-16 |
| FR2361659A2 (fr) | 1978-03-10 |
| DK143476B (da) | 1981-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] |